Home / 1,213,056,016.65-1,819,584,024.98-804,573,405.45

Finding the Fourth Proportional to 1,213,056,016.65, 1,819,584,024.98 and 804,573,405.45

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Solution

The fourth proportional to 1,213,056,016.65, 1,819,584,024.98 and 804,573,405.45 is: 1,206,860,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,056,016.65 : 1,819,584,024.98 = 804,573,405.45 : x
  2. Step 2: Convert to fraction form
    1,213,056,016.65/1,819,584,024.98 = 804,573,405.45/x
  3. Step 3: Cross multiply
    1,213,056,016.65x = 1,819,584,024.98 × 804,573,405.45
  4. Step 4: Simplify right side
    1,213,056,016.65x = 1,463,988,915,476,553,728
  5. Step 5: Solve for x
    x = 1,463,988,915,476,553,728/1,213,056,016.65
  6. Step 6: Final answer
    x = 1,206,860,108.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.